Home / 3,579.24-4,932.90-2,646.12

Finding the Fourth Proportional to 3,579.24, 4,932.90 and 2,646.12

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Solution

The fourth proportional to 3,579.24, 4,932.90 and 2,646.12 is: 3,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.24 : 4,932.90 = 2,646.12 : x
  2. Step 2: Convert to fraction form
    3,579.24/4,932.90 = 2,646.12/x
  3. Step 3: Cross multiply
    3,579.24x = 4,932.90 × 2,646.12
  4. Step 4: Simplify right side
    3,579.24x = 13,053,045.35
  5. Step 5: Solve for x
    x = 13,053,045.35/3,579.24
  6. Step 6: Final answer
    x = 3,646.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.